/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/DynamicMesh3.h
Get the vertices and triangles of an edge, returned as [v0,v1,t0,t1], where t1 may be InvalidID
[FEdge](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3\FEdge) GetEdge ( int EdgeID ) const